METHOD FOR IMPLEMENTING AN INDUSTRY INTERNET FIELD BROADBAND BUS

• US 20170373879A1
• Filed: 09/13/2016
• Published: 12/28/2017
• Est. Priority Date: 06/23/2016
• Status: Active Grant

• Current Assignee: Kyland Technology Co.,Ltd.
• Original Assignee: Kyland Technology Co.,Ltd.
• Inventors: ZHANG, Jianfeng, Yan, Zhiwei
• Granted Patent: US 10,164,790 B2
• Time in Patent Office: Days
• CPC Class Codes: G06F 13/426 using an embedded synchronisation, e.g. Firewire bus, Fibre Channel bus, SSA bus
• CPC Class Codes: G06F 13/4286 using a handshaking protocol, e.g. RS232C link
• CPC Class Codes: H04L 12/2801 Broadband local area networks
• CPC Class Codes: H04L 12/40 Bus networks
• CPC Class Codes: H04L 12/40013 Details regarding a bus controller
• CPC Class Codes: H04L 12/40123 Interconnection of computers and peripherals printer information exchange with computer G06F3/1293
• CPC Class Codes: H04L 12/56 Packet switching systems
• CPC Class Codes: H04L 2012/40215 Controller Area Network CAN
• CPC Class Codes: H04L 27/26 Systems using multi-frequency codes H04L27/32 takes precedence
• CPC Class Codes: H04L 61/5038 for local use, e.g. in LAN or USB networks, or in a controller area network [CAN]

Abstract

The invention relates to a method for implementing an industry internet field broadband bus, and in the method according to the invention, a bus controller and respective bus terminals transmit data in their respective time slices to thereby ensure timely and temporally determinist data transmission. Thus the embodiments of the invention implement a high-performance, highly reliable, and highly real-time method for implementing an industry internet field broadband bus. Moreover a transmission medium of the two-wire data transmission network can be a twisted pair or a shielded twisted pair so that the method according to the embodiment of the invention can be applicable to a traditional industry control facility using a bus, and thus can be highly universally applicable.

Claims

1. A method for implementing an industry internet field broadband bus, wherein the method is applicable to an industry internet field broadband bus architecture system comprising a bus controller and at least one bus terminal, the bus controller is connected with the respective bus terminals over a two-wire data transmission network, and the method comprising:

synchronizing in clock the bus controller with the respective bus terminals; and

allocating, by the bus controller, time slices for the bus controller and the respective bus terminals so that the bus controller and the bus terminals transmit data to be transmitted, in their respective time slices.

2. The method according to claim 1, wherein the method further comprises:

acquiring, by the bus controller, the data, and then determining whether the data are real-time data or non-real-time data; and

if the data are real-time data, then storing the real-time data into a first real-time data container;

if the data are non-real-time data, storing the non-real-time data into a first non-real-time data container.

3. The method according to claim 2, wherein transmitting, by the bus controller, the data to be transmitted, in the time slice thereof comprises:

determining whether the bus controller operates in the time slice thereof; and

if the bus controller operates in the time slice thereof, then retrieving the real-time data from the first real-time data container in the time slice as the data to be transmitted, and transmitting the data; and

if the real-time data container is empty, then retrieving, the data from the first non-real-time data controller as the data to be transmitted, and transmitting the data.

4. The method according to claim 3, wherein the method further comprises:

if the bus controller does not operate in the time slice thereof, then retrieving the data from the first non-real-time data container, and transmitting the retrieved non-real time data using carrier sense multiple access/collision detection (CSMA/CD).

5. The method according to claim 1, wherein if it is determined that the data acquired are real-time data, then transmitting, by the bus controller, the data to be transmitted, in the time slice thereof comprises:

transmitting the data in the time slice using the Time-Triggered Ethernet (TTE) or Time Division Multiple Access (TDMA).

6. The method according to claim 1, wherein the method further comprises:

obtaining data to be transmitted to an external network, and then converting the data into a message in a format corresponding to the external network, and transmitting the message to the external network.

7. The method according to claim 1, wherein the method further comprises:

learning, by the bus controller, Media Access Control (MAC) addresses of devices over the two-wire data transmission network, allocating corresponding Internet Protocol Address (IP) addresses and bus device addresses for the respective learnt MAC addresses, and updating a pre-created three-dimension correspondence relationship using the learnt MAC addresses, and the corresponding IP addresses and bus device addresses; and

determining for each piece of data received over the two-wire data transmission network whether a correspondence relationship between a MAC address, an IP address, and a bus device address carried in the data is among the three-dimension correspondence relationship, and if so, then determining that the data are legal data;

otherwise, determining that the data are illegal data

8. The method according to claim 1, wherein transmitting, by the bus controller, the data to be transmitted, in the time slice thereof comprises:

transmitting the data to be transmitted, in the time slice thereof using orthogonal frequency division multiplexing (OFDM) or baseband transmission.

9. The method according to claim 8, wherein the orthogonal frequency division multiplexing operates at the physical layer.

10. The method according to claim 1, wherein the method further comprises:

receiving, by the bus controller, configuration information or a supervision instruction transmitted by a bus configuration and monitoring element for at least one device over the two-wire data transmission network;

transmitting the configuration information or the supervision instruction to the corresponding device; and

transmitting running state information generated by the at least one device over the two-wire data transmission network to the bus configuration and monitoring element.

11. The method according to claim 10, wherein the bus controller communicates with the bus configuration and monitoring element over an RS485 bus;

or

the bus controller allocates a time slice for the bus configuration and monitoring element so that the bus configuration and monitoring element communicates with the bus controller in the time slice using orthogonal frequency division multiplexing or baseband transmission.

12. The method according to claim 1, wherein the method further comprises:

transmitting, by the bus controller, application data requested by an application monitoring device can be further transmitted to the application monitoring device.

13. A method for implementing an industry internet field broadband bus, wherein the method is applicable to an industry internet field broadband bus architecture system comprising a bus controller and at least one bus terminal, the bus controller is connected with the respective bus terminals over a two-wire data transmission network, and the method comprising:

synchronizing in clock the respective bus terminals with the bus controller;

receiving, by the bus terminals, time slices allocated by the bus controller; and

transmitting, by the bus terminals, data to be transmitted, in their respective time slices.

14. The method according to claim 13, wherein the method further comprises:

acquiring, by the bus terminals, the data, and then determining whether the data are real-time data or non-real-time data; and

if the data are real-time data, then storing the real-time data into a second real-time data container;

if the data are non-real-time data, storing the non-real-time data into a second non-real-time data container.

15. The method according to claim 14, wherein transmitting, by the bus terminals, the data to be transmitted, in their respective time slices comprises:

determining whether the bus terminals operate in their respective time slices, and if the bus terminals operate in their respective time slices, then retrieving the real-time data from the second real-time data container in the time slice as the data to be transmitted of the bus terminals, and transmitting the data; and

if the real-time data container is empty, then retrieving the data from the second non-real-time data controller as the data to be transmitted, and transmitting the data.

16. The method according to claim 15, wherein the method further comprises:

if the bus terminals do not operate in their respective time slices, then retrieving the data from the second non-real-time data container, and transmitting the retrieved non-real-time data using carrier sense multiple access/collision detection (CSMA/CD).

17. The method according to claim 13, wherein if it is determined that the data acquired are real-time data, then transmitting, by the bus terminals, the data to be transmitted, in their respective time slices comprises:

transmitting the data in the time slices using the Time-Triggered Ethernet (TTE) or TDMA.

18. The method according to claim 17, wherein the method further comprises:

determining, by the bus terminals, for each piece of data received over the two-wire data transmission network whether a correspondence relationship between a MAC address, an IP address, and a bus device address carried in the data is among the three-dimension correspondence relationship, and if so, then determining that the data are legal data;

otherwise, determining that the data are illegal data.

19. The method according to claim 13, wherein transmitting, by the bus terminals, the data to be transmitted, in the time slices thereof comprises:

transmitting the data to be transmitted of the bus terminals, in the time slices using orthogonal frequency division multiplexing (OFDM) or baseband transmission.

20. The method according to claim 19, wherein the orthogonal frequency division multiplexing operates at the physical layer.